Hi Peter, thanks for the reply. I think I've sussed the issue. In this version of P2E, there is a small checkbox on it's own in the bottom right hand corner called 'hold transition points' or something similar. If this isn't checked (looks like the default option), then when you insert or remove photo's (that have no special properties...like fade or other effects) and replace them with new ones, for some reason, this alters the transition points that you've already set against the soundtrack and so you have to reset all your carefully worked out transition points. If you do have this checkbox checked, then your transition points are maintained in their correct positions irrespective of which photo's you've shifted around to give the presentation more impact. If this was in earlier versions, then it was always set to on. I'm going to do a bit more testing on this as I'm not showing the presentation until the 18th. thanks Robin